We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

LEGRIS Metal Pipe Straight: Straight, 3/8 in x 3/8 in, Male NPT Threaded x Male x NPT Threaded - High Pressure Precision Pipe Fittings
LEGRISHigh Pressure Precision Pipe Fittings

LEGRIS Metal Pipe Straight: Straight, 3/8 in x 3/8 in, Male NPT Threaded x Male x NPT Threaded

The LEGRIS Metal Pipe Straight: Straight is a high-pressure precision pipe fitting (SKU 3G-OTH-708594) with a 3/8 in x 3/8 in configuration, Male NPT Threaded x Male x NPT Threaded ends, and a rated pressure of 2,176…

SKU 3G-OTH-708594

Also listed as: 18211818 · 1821-18-18

Brand
LEGRIS
Item
Metal Pipe Straight: Straight, 3/8 in x 3/8 in, Male NPT Threaded x Male x NPT Threaded
Category
High Pressure Precision Pipe Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

LEGRIS
Manufacturer Part Number
1821 18 18
Type
3/8 in x 3/8 in, Male NPT Threaded x Male x NPT Threaded, 2,176 psi

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

LEGRIS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LEGRIS Metal Pipe Straight: Straight is a high-pressure precision pipe fitting (SKU 3G-OTH-708594) with a 3/8 in x 3/8 in configuration, Male NPT Threaded x Male x NPT Threaded ends, and a rated pressure of 2,176 psi (MPN 1821 18 18). 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments — with specialist depth in combustion, pumps and controls — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is the LEGRIS 1821 18 18 metal pipe straight used for?

The LEGRIS 1821 18 18 is a high-pressure precision pipe fitting used to connect two male NPT threaded ports in pneumatic or hydraulic systems. It is suitable for industrial applications requiring a straight, leak-resistant joint rated at 2,176 psi.

What are the specifications of the LEGRIS 1821 18 18?

The LEGRIS 1821 18 18 is a straight metal pipe fitting with 3/8 in x 3/8 in male NPT threaded ends. It has a maximum working pressure of 2,176 psi. The manufacturer part number is 1821 18 18, and the SKU is 3G-OTH-708594.

Where to buy the LEGRIS 1821 18 18 worldwide?

3G Electric supplies the LEGRIS 1821 18 18 metal pipe straight to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the genuine component. Contact us to order this high-pressure fitting for your industrial application.

How to select the right LEGRIS pipe fitting for high-pressure systems?

When selecting a LEGRIS pipe fitting like the 1821 18 18, verify the thread size (3/8 in male NPT), port configuration (straight), and pressure rating (2,176 psi). Ensure compatibility with your system's media and temperature range. 3G Electric can help confirm the correct part for your needs.

Used in

Common applications for LEGRIS
Pneumatic actuator speed control — LEGRIS miniature flow control valve 7665 04 10 for meter-out regulation on 4 mm tubing
Compressed air isolation for maintenance — LEGRIS lockout valve 7886 11 11 for 1/8 in NPT systems
Fluid shutoff in water or oil lines — LEGRIS brass ball valve 0492 07 17 with 3/8 in FNPT connections
Push-to-connect air distribution — LEGRIS nylon ball valve 7915 56 11 for 1/4 in tubing with male NPT adapter
Safety lockout on BSPP pneumatic circuits — LEGRIS lockout valve 7880 10 17 for 3/8 in BSPP systems
Compact on/off control in tight spaces — LEGRIS nylon ball valve 7913 56 00 with push-to-connect ports for 1/4 in tubing

LEGRIS Products

3G Electric supplies LEGRIS high pressure precision pipe fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from LEGRIS

View all LEGRIS parts
Metal Pipe Straight: Straight, 3/8 in x 3/8 in, Female NPT Threaded x Male x BSPT Threaded (MPN 1867 17 18)
LEGRIS
Metal Pipe Straight: Straight, 3/8 in x 3/8 in, Female NPT Threaded x Male x BSPT Threaded (MPN 1867 17 18)
LEGRIS
LEGRIS
Metal Pipe Straight: Straight, 1/4 in x 1/2 in, Female BSPP Threaded x Male x BSPT Threaded (MPN 1863 21 13)
LEGRIS
LEGRIS
Metal Pipe Straight: Straight, 1/8 in x 3/8 in, Female NPT Threaded x Male x NPT Threaded, 2,176 psi (MPN 1872 18 11)
Metal Pipe Straight: Straight, 1/4 in x 1/4 in, Male BSPT Threaded x Male x BSPT Threaded, 2,176 psi (MPN 1821 13 13)
LEGRIS
Metal Pipe Straight: Straight, 1/4 in x 1/4 in, Male BSPT Threaded x Male x BSPT Threaded, 2,176 psi (MPN 1821 13 13)
Metal Pipe Straight: Straight, 1/2 in x 1/2 in, Male NPT Threaded x Male x NPT Threaded, 2,176 psi (MPN 1821 22 22)
LEGRIS
Metal Pipe Straight: Straight, 1/2 in x 1/2 in, Male NPT Threaded x Male x NPT Threaded, 2,176 psi (MPN 1821 22 22)
Metal Pipe Straight: Straight, 1/4 in x 1/4 in, Male NPT Threaded x Male x NPT Threaded, 2,176 psi (MPN 1821 14 14)
LEGRIS
Metal Pipe Straight: Straight, 1/4 in x 1/4 in, Male NPT Threaded x Male x NPT Threaded, 2,176 psi (MPN 1821 14 14)
Metal Pipe Tee: Tee (Run x Run x Branch), 1/2 in x 1/2 in x 1/2 in, 316 Stainless Steel, 2,176 psi (MPN 1845 21 21)
LEGRIS
Metal Pipe Tee: Tee (Run x Run x Branch), 1/2 in x 1/2 in x 1/2 in, 316 Stainless Steel, 2,176 psi (MPN 1845 21 21)
LEGRIS
LEGRIS
Metal Pipe Straight: Straight, 1/8 in x 1/4 in, Female BSPP Threaded x Male x BSPT Threaded (MPN 1863 13 10)